21090843180
21,090,843,180 is an even composite number composed of seven prime numbers multiplied together.
21090843180 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21090843180:
22 × 34 × 5 × 11 × 31 × 73 × 523
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 11 × 31 × 73 × 523)See below for interesting mathematical facts about the number 21090843180 from the Numbermatics database.
Names of 21090843180
- Cardinal: 21090843180 can be written as Twenty-one billion, ninety million, eight hundred forty-three thousand, one hundred eighty.
Scientific notation
- Scientific notation: 2.109084318 × 1010
Factors of 21090843180
Divisors of 21090843180
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 31 33 36 44 45 54 55 60 62 66 73 81 90 93 99 108 110 124 132 135 146 155 162 165 180 186 198 219 220 270 279 292 297 310 324 330 341 365 372 396 405 438 465 495 523 540 558 594 620 657 660 682 730 803 810 837 876 891 930 990 1023 1046 1095 1116 1188 1314 1364 1395 1460 1485 1569 1606 1620 1674 1705 1782 1860 1971 1980 2046 2092 2190 2263 2409 2511 2615 2628 2790 2970 3069 3138 3212 3285 3348 3410 3564 3942 4015 4092 4185 4380 4455 4526 4707 4818 5022 5115 5230 5580 5753 5913 5940 6138 6276 6570 6789 6820 7227 7845 7884 8030 8370 8910 9052 9207 9414 9636 9855 10044 10230 10460 11315 11506 11826 12045 12276 12555 13140 13578 14121 14454 15345 15690 16060 16213 16740 17259 17820 18414 18828 19710 20367 20460 21681 22630 23012 23535 23652 24090 24893 25110 27156 27621 28242 28765 28908 29565 30690 31380 32426 33945 34518 36135 36828 38179 39420 40734 42363 43362 45260 46035 47070 48180 48639 49786 50220 51777 55242 56484 57530 59130 61101 61380 64852 65043 67890 69036 70605 72270 74679 76358 81065 81468 84726 86295 86724 92070 94140 97278 99572 101835 103554 108405 110484 114537 115060 118260 122202 124465 130086 135780 138105 141210 144540 145917 149358 152716 155331 162130 169452 172590 178343 183303 184140 190895 194556 203670 207108 211815 216810 224037 229074 243195 244404 248930 258885 260172 276210 282420 291834 298716 305505 310662 324260 325215 343611 345180 356686 366606 373395 381790 407340 419969 423630 433620 437751 448074 458148 465993 486390 497860 517770 535029 552420 572685 583668 611010 621324 650430 672111 687222 713372 729585 733212 746790 763580 776655 839938 847260 875502 891715 896148 916515 931986 972780 1030833 1035540 1070058 1120185 1145370 1183549 1222020 1259907 1300860 1313253 1344222 1374444 1459170 1493580 1553310 1605087 1679876 1718055 1751004 1783430 1833030 1863972 2016333 2061666 2099845 2140116 2188755 2240370 2290740 2329965 2367098 2519814 2626506 2675145 2688444 2918340 3092499 3106620 3210174 3360555 3436110 3550647 3566860 3666060 3779721 4032666 4123332 4199690 4377510 4480740 4659930 4734196 4815261 5039628 5154165 5253012 5350290 5917745 6184998 6299535 6420348 6566265 6721110 6872220 7101294 7559442 8025435 8065332 8399380 8755020 9319860 9630522 10081665 10308330 10651941 10700580 11339163 11835490 12369996 12599070 13019039 13132530 13442220 14202588 14445783 15118884 15462495 16050870 17753235 18898605 19261044 20163330 20616660 21303882 22678326 23670980 24076305 25198140 26038078 26265060 28891566 30924990 31955823 32101740 34017489 35506470 37797210 39057117 40326660 42607764 45356652 48152610 52076156 53259705 56695815 57783132 61849980 63911646 65095195 68034978 71012940 72228915 75594420 78114234 95867469 96305220 106519410 113391630 117171351 127823292 130190390 136069956 144457830 156228468 159779115 170087445 191734938 195285585 213038820 226783260 234342702 260380780 288915660 319558230 340174890 351514053 383469876 390571170 468685404 479337345 585856755 639116460 680349780 703028106 781142340 958674690 1054542159 1171713510 1406056212 1757570265 1917349380 2109084318 2343427020 3515140530 4218168636 5272710795 7030281060 10545421590 21090843180
- Sum of all divisors σ(n): 75670898688
- Sum of proper divisors (its aliquot sum) s(n): 54580055508
- 21090843180 is an abundant number, because the sum of its proper divisors (54580055508) is greater than itself. Its abundance is 33489212328
Bases of 21090843180
- Binary: 100111010010001110010111010001011002
- Hexadecimal: 0x4E91CBA2C
- Base-36: 9OSXYR0
Squares and roots of 21090843180
- 21090843180 squared (210908431802) is 444823666043352512400
- 21090843180 cubed (210908431803) is 9381706183273038920487405432000
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The
square root of 21090843180 is 145226.8679687061 -
The
cube root of 21090843180 is 2762.8966988437
Scales and comparisons
How big is 21090843180?- 21,090,843,180 seconds is equal to 670 years, 32 weeks, 2 days, 23 hours, 33 minutes.
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To count from 1 to 21,090,843,180 would take you about one thousand, three hundred forty-one years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 21090843180 cubic inches would be around 230.2 feet tall.
Recreational maths with 21090843180
- 21090843180 backwards is 08134809012
- 21090843180 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21090843180's digits is 36
- More coming soon!
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